Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows…
Priority MEDIUM 56CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption Vulnerability," a different vulnerability than CVE-2009-3674.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.21038 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 23
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp4:*:*:*:*:*:* | 5.0.1 sp4 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:6:sp1:*:*:*:*:*:* | 6 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:* | 6 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:* | 7 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:* | all versions | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp4:*:*:*:*:*:* Versions 5.0.1 sp4 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:6:sp1:*:*:*:*:*:* Versions 6 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:* Versions 6 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
Show 13 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x32:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:sp2:x64:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:* | 8 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:* | all versions | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x32:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:sp2:x64:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:* Versions 8 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-3671
- 2026-10-03 Alias added: GHSA-533f-24pj-cvj8
References
Other 1
More Microsoft Internet Explorer vulnerabilities
- TI-2015-00277 Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-00275 Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-01386 Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01340 Scripting Engine Memory Corruption Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2019-00335 Command injection in Microsoft Office KEVCVSS 3.1HIGH 8.8
- TI-2017-00204 Out-of-bounds write in Microsoft Internet Explorer KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2009-3671 · CVE Program
- CVE-2009-3671 · NVD
- FIRST EPSS
- GHSA-533f-24pj-cvj8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences